Share-Based Compensation (Details 4) (USD $)	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Options
Outstanding at the beginning of the period (in shares)	1,169,478
Granted (in shares)	262,463	0
Exercised (in shares)	(13,389)	(47,185)	(47,009)
Forfeited (in shares)	(126,203)
Outstanding at the end of the period (in shares)	1,292,349	1,169,478
Options exercisable at the end of the period (in shares)	890,671
Weighted Average Exercise Price
Outstanding at the beginning of the period (in dollars per share)	$ 32.33
Granted (in dollars per share)	$ 18.48
Exercised (in dollars per share)	$ 15.44
Forfeited (in dollars per share)	$ 24.84
Outstanding at the end of the period (in dollars per share)	$ 30.43	$ 32.33
Options exercisable at the end of the period (in dollars per share)	$ 35.28
Weighted Average Remaining Contractual Term
Outstanding at the end of the period	3 years 4 months 17 days
Options exercisable at the end of the period	2 years 1 month 24 days
Aggregate Intrinsic Value
Outstanding at the end of the period (in dollars)	$ 585,000
Options exercisable at the end of the period (in dollars)	0
Aggregate intrinsic value of stock options exercised	$ 100,000	$ 400,000	$ 600,000